Aviation Weather MCP Server

by cyanheadsio.github.cyanheads/aviation-weather-mcp-serverv0.5.1

Fetch METARs, TAFs, PIREPs, and domestic SIGMETs from the NWS Aviation Weather Center.

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Active2d ago

Install Aviation Weather MCP server

claude mcp add aviation-weather -- npx -y @cyanheads/aviation-weather-mcp-server

{
  "mcpServers": {
    "aviation-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/aviation-weather-mcp-server"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "aviation-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/aviation-weather-mcp-server"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "aviation-weather": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/aviation-weather-mcp-server"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "aviation-weather": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/aviation-weather-mcp-server"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
MCP_LOG_LEVEL	—	—	Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
AWC_BASE_URL	—	—	Base URL for the AWC Data API. Useful for testing against a mock or staging instance.
AWC_TIMEOUT_MS	—	—	Per-request timeout in milliseconds (1000–60000).
MCP_TRANSPORT_TYPE	—	—	Selects the HTTP transport.
MCP_HTTP_HOST	—	—	The hostname for the HTTP server.
MCP_HTTP_PORT	—	—	The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH	—	—	The endpoint path for the MCP server.
MCP_AUTH_MODE	—	—	Authentication mode to use: 'none', 'jwt', or 'oauth'.

Remote endpoints

streamable-httphttps://aviation-weather.caseyjhand.com/mcp

Freshness

Active — last maintenance signal 2d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-08 · 2d ago · GitHub
Latest release
2026-10-08 · 2d ago · GitHub · v0.5.1
Package published
no data · npm/PyPI
Registry entry updated
2026-10-08 · 2d ago · official registry · v0.5.1

FAQ

›How do I install the Aviation Weather MCP server in Claude Code?

Run: claude mcp add aviation-weather -- npx -y @cyanheads/aviation-weather-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Aviation Weather require an API key?

No required environment variables are declared in its published metadata.

›Can I use Aviation Weather as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Aviation Weather in the official MCP registry?

Yes, as io.github.cyanheads/aviation-weather-mcp-server.